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[Core] Coverity: 1024552 Logically dead code

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This commit is contained in:
Andrey Volk
2023-10-05 18:03:32 +03:00
committed by GitHub
parent 79ce088101
commit d08424384b
2 changed files with 71 additions and 12 deletions
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23
src/switch_utils.c
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@@ -747,7 +747,7 @@ SWITCH_DECLARE(int) switch_parse_cidr(const char *string, ip_t *ip, ip_t *mask,
ip_t *maskv = mask;
ip_t *ipv = ip;
switch_copy_string(host, string, sizeof(host)-1);
switch_copy_string(host, string, sizeof(host) - 1);
bit_str = strchr(host, '/');
if (!bit_str) {
@@ -758,22 +758,20 @@ SWITCH_DECLARE(int) switch_parse_cidr(const char *string, ip_t *ip, ip_t *mask,
bits = atoi(bit_str);
ipv6 = strchr(string, ':');
if (ipv6) {
int i,n;
int32_t i, n;
uint32_t k;
if (bits < 0 || bits > 128) {
return -2;
}
bits = atoi(bit_str);
switch_inet_pton(AF_INET6, host, (unsigned char *)ip);
for (n=bits,i=0 ;i < 16; i++){
if (n >= 8) {
maskv->v6.s6_addr[i] = 0xFF;
n -= 8;
} else if (n < 8) {
maskv->v6.s6_addr[i] = 0xFF & ~(0xFF >> n);
n -= n;
} else if (n == 0) {
maskv->v6.s6_addr[i] = 0x00;
}
for (n = bits, i = 0; i < 16; i++) {
k = (n > 8) ? 8 : n;
maskv->v6.s6_addr[i] = 0xFF & ~(0xFF >> k); /* k = 0 gives 0x00, k = 8 gives 0xFF */
n -= k;
}
} else {
if (bits < 0 || bits > 32) {
@@ -786,6 +784,7 @@ SWITCH_DECLARE(int) switch_parse_cidr(const char *string, ip_t *ip, ip_t *mask,
maskv->v4 = 0xFFFFFFFF & ~(0xFFFFFFFF >> bits);
}
*bitp = bits;
return 0;